Free and Open Source, Distributed, RESTful Search Engine

Free universal database tool and SQL client

Render After Effects animations natively on Android and iOS, Web, and React Native

Learn System Design concepts and prepare for interviews using free resources.

a fast, scalable, multi-language and extensible build system

Modular and customizable Material Design UI components for Android

This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

Logstash - transport and process your logs, events, or other data

Apache Druid: a high performance real-time analytics database.

Generate diagrams from textual description

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

The Metadata Platform for your Data and AI Stack

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Apache Kafka® running on Kubernetes

An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.

Main Liquibase Source

An extensible multilanguage static code analyzer.

Distributed Graph Database

Awaitility is a small Java DSL for synchronizing asynchronous operations

Process Orchestration Framework

Timeline View is a simple and highly customizable android library for creating shipment/order tracking, step progress indicators, etc.

Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets.

Firebase Android SDK

PlantUML Online Server

Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast

An extensive framework for testing Android apps

Android SQLite support library

Free your Apple Notes data from Notes.app

Threema App for Android.